chore(ui): add CSimpleFrame_SetBackdropColor and CSimpleFrame_SetBackdropBorderColor

src/net/connection/RealmConnection.cpp

@@ -110,7 +110,7 @@ int32_t RealmConnection::HandleAuthChallenge(AuthenticationChallenge* challenge)
     // TODO switch to WDataStore
     CDataStore msg;
 
-    uint32_t localChallenge;
+    uint32_t localChallenge = 0;
 
     msg.Put(static_cast<uint32_t>(CMSG_AUTH_SESSION));
 

src/ui/CBackdropGenerator.cpp

@@ -152,6 +152,13 @@ void CBackdropGenerator::LoadXML(XMLNode* node, CStatus* status) {
     }
 }
 
+void CBackdropGenerator::SetVertexColor(const CImVector& color) {
+    this->m_color = color;
+    if (this->m_backgroundTexture) {
+        this->m_backgroundTexture->SetVertexColor(color);
+    }
+}
+
 void CBackdropGenerator::SetBorderVertexColor(const CImVector& borderColor) {
     this->m_borderColor = borderColor;
 

src/ui/CBackdropGenerator.hpp

@@ -42,6 +42,7 @@ class CBackdropGenerator {
         CBackdropGenerator();
         void Generate(const CRect* rect);
         void LoadXML(XMLNode* node, CStatus* status);
+        void SetVertexColor(const CImVector& color);
         void SetBorderVertexColor(const CImVector& borderColor);
         void SetOutput(CSimpleFrame* frame);
 };

src/ui/CSimpleFrame.cpp

@@ -1327,7 +1327,19 @@ void CSimpleFrame::SetBeingScrolled(int32_t a2, int32_t a3) {
 }
 
 void CSimpleFrame::SetFrameAlpha(uint8_t alpha) {
-    // TODO
+    if (this->m_alpha == alpha) {
+        return;
+    }
+
+    this->m_alpha = alpha;
+
+    for (auto region = this->m_regions.Head(); region; region = this->m_regions.Link(region)->Next()) {
+        region->OnColorChanged(true);
+    }
+
+    for (auto child = this->m_children.Head(); child; child = this->m_children.Link(child)->Next()) {
+        child->frame->SetFrameAlpha(alpha);
+    }
 }
 
 void CSimpleFrame::SetFrameFlag(int32_t flag, int32_t on) {

src/ui/CSimpleFrame.hpp

@@ -37,6 +37,7 @@ class CSimpleFrame : public CScriptRegion {
         float m_depth = 0.0;
         FRAME_STRATA m_strata = FRAME_STRATA_MEDIUM;
         int32_t m_level = 0;
+        uint8_t m_alpha = 255;
         uint32_t m_eventmask = 0;
         int32_t m_shown = 0;
         int32_t m_visible = 0;

src/ui/CSimpleFrameScript.cpp

@@ -2,6 +2,7 @@
 #include "gx/Coordinate.hpp"
 #include "ui/CSimpleFrame.hpp"
 #include "ui/FrameScript.hpp"
+#include "ui/CBackdropGenerator.hpp"
 #include "util/Lua.hpp"
 #include "util/Unimplemented.hpp"
 #include <algorithm>
@@ -460,7 +461,26 @@ int32_t CSimpleFrame_GetBackdropColor(lua_State* L) {
 }
 
 int32_t CSimpleFrame_SetBackdropColor(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (lua_type(L, 1) != LUA_TTABLE) {
+        luaL_error(L, "Attempt to find 'this' in non-table object (used '.' instead of ':' ?)");
+    }
+
+    lua_rawgeti(L, 1, 0);
+    auto object = reinterpret_cast<CSimpleFrame*>(lua_touserdata(L, -1));
+    lua_settop(L, -2);
+
+    STORM_ASSERT(object);
+
+    CImVector color;
+    auto red = lua_tonumber(L, 2);
+    auto green = lua_tonumber(L, 3);
+    auto blue = lua_tonumber(L, 4);
+    auto alpha = lua_isnumber(L, 5)  ? lua_tonumber(L, 5) : 1.0;
+    color.Set(alpha, red, green, blue);
+
+    if (object->m_backdrop) {
+        object->m_backdrop->SetVertexColor(color);
+    }
 }
 
 int32_t CSimpleFrame_GetBackdropBorderColor(lua_State* L) {
@@ -468,7 +488,26 @@ int32_t CSimpleFrame_GetBackdropBorderColor(lua_State* L) {
 }
 
 int32_t CSimpleFrame_SetBackdropBorderColor(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (lua_type(L, 1) != LUA_TTABLE) {
+        luaL_error(L, "Attempt to find 'this' in non-table object (used '.' instead of ':' ?)");
+    }
+
+    lua_rawgeti(L, 1, 0);
+    auto object = reinterpret_cast<CSimpleFrame*>(lua_touserdata(L, -1));
+    lua_settop(L, -2);
+
+    STORM_ASSERT(object);
+
+    CImVector color;
+    auto red = lua_tonumber(L, 2);
+    auto green = lua_tonumber(L, 3);
+    auto blue = lua_tonumber(L, 4);
+    auto alpha = lua_isnumber(L, 5) ? lua_tonumber(L, 5) : 1.0;
+    color.Set(alpha, red, green, blue);
+
+    if (object->m_backdrop) {
+        object->m_backdrop->SetBorderVertexColor(color);
+    }
 }
 
 int32_t CSimpleFrame_SetDepth(lua_State* L) {